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| author | Jingoo Han <jg1.han@samsung.com> | 2013-12-11 16:26:21 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-18 16:35:10 -0800 |
| commit | f1080e4d90b2c0ec3ce850a9fad8ac8a79df3b23 (patch) | |
| tree | 26b72d6dcc6faded4062164012268220ae30b364 /drivers/usb/host | |
| parent | 49aa57bda7e54ee6e37844bae83e122f44b30637 (diff) | |
| download | linux-f1080e4d90b2c0ec3ce850a9fad8ac8a79df3b23.tar.gz linux-f1080e4d90b2c0ec3ce850a9fad8ac8a79df3b23.tar.bz2 linux-f1080e4d90b2c0ec3ce850a9fad8ac8a79df3b23.zip | |
USB: ohci-pxa27x:Use devm_*() functions
Use devm_*() functions to make cleanup paths simpler.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/ohci-pxa27x.c | 38 |
1 files changed, 10 insertions, 28 deletions
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index 9352a4d42563..d21d5fefa76c 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -388,37 +388,28 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device return -ENXIO; } - usb_clk = clk_get(&pdev->dev, NULL); + usb_clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(usb_clk)) return PTR_ERR(usb_clk); hcd = usb_create_hcd (driver, &pdev->dev, "pxa27x"); - if (!hcd) { - retval = -ENOMEM; - goto err0; - } + if (!hcd) + return -ENOMEM; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!r) { pr_err("no resource of IORESOURCE_MEM"); retval = -ENXIO; - goto err1; + goto err; } hcd->rsrc_start = r->start; hcd->rsrc_len = resource_size(r); - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - pr_debug("request_mem_region failed"); - retval = -EBUSY; - goto err1; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - pr_debug("ioremap failed"); - retval = -ENOMEM; - goto err2; + hcd->regs = devm_ioremap_resource(&pdev->dev, r); + if (IS_ERR(hcd->regs)) { + retval = PTR_ERR(hcd->regs); + goto err; } /* initialize "struct pxa27x_ohci" */ @@ -429,7 +420,7 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device retval = pxa27x_start_hc(pxa_ohci, &pdev->dev); if (retval < 0) { pr_debug("pxa27x_start_hc failed"); - goto err3; + goto err; } /* Select Power Management Mode */ @@ -449,14 +440,8 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device } pxa27x_stop_hc(pxa_ohci, &pdev->dev); - err3: - iounmap(hcd->regs); - err2: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - err1: + err: usb_put_hcd(hcd); - err0: - clk_put(usb_clk); return retval; } @@ -480,9 +465,6 @@ void usb_hcd_pxa27x_remove (struct usb_hcd *hcd, struct platform_device *pdev) usb_remove_hcd(hcd); pxa27x_stop_hc(pxa_ohci, &pdev->dev); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - clk_put(pxa_ohci->clk); usb_put_hcd(hcd); } |